condition mean min max 3 h after light 3.7873 3.57734 3.9345 6 h after light 6.737936666666666 6.14846 7.63028 9 h after light 10.77108 8.67634 13.6051 12 h after light 10.5188275 3.26666 16.7865 3 h after dark 11.979823333333334 8.73667 13.8905 6 h after dark 10.444843333333333 7.45353 13.5006 9 h after dark 8.85439 6.32527 12.7558 12 h after dark 2.61213 1.78519 3.43907